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TEDCO Toys Sensor Stick
Experience the science of electricity and circuits first hand with your Sensor stick and learn about electricity, circuits, conductors, electrons and more!
Just place one hand on the top silver bar and the other at the bottom; the long-lasting LED lights flash while the buzzer buzzes!
You've just closed the circuit allowing electricitiy to folow from one hand, through the tube, to your other hand and body
Yes, you are a human circuit!; remove one hand and you've opened the circuit and the electrical supply is turned off